The patch titled
Subject: mm/zsmalloc.c: fix comment for get_pages_per_zspage
has been added to the -mm tree. Its filename is
mm-zsmallocc-fix-comment-for-get_pages_per_zspage.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-zsmallocc-fix-comment-for-get_pages_per_zspage.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-zsmallocc-fix-comment-for-get_pages_per_zspage.patch
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------------------------------------------------------
From: Yinghao Xie <yinghao.xie@xxxxxxxxxxx>
Subject: mm/zsmalloc.c: fix comment for get_pages_per_zspage
Signed-off-by: Yinghao Xie <yinghao.xie@xxxxxxxxxxx>
Suggested-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zsmalloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/zsmalloc.c~mm-zsmallocc-fix-comment-for-get_pages_per_zspage mm/zsmalloc.c
--- a/mm/zsmalloc.c~mm-zsmallocc-fix-comment-for-get_pages_per_zspage
+++ a/mm/zsmalloc.c
@@ -731,7 +731,8 @@ out:
* to form a zspage for each size class. This is important
* to reduce wastage due to unusable space left at end of
* each zspage which is given as:
- * wastage = Zp - Zp % size_class
+ * wastage = Zp % class_size
+ * usage = Zp - wastage
* where Zp = zspage size = k * PAGE_SIZE where k = 1, 2, ...
*
* For example, for size class of 3/8 * PAGE_SIZE, we should
_
Patches currently in -mm which might be from yinghao.xie@xxxxxxxxxxx are
mm-zsmallocc-fix-comment-for-get_pages_per_zspage.patch
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